Cisco 7941 phones and PJSIP - Solution

@blanchae wrote:

A little background: I have had Cisco 7941/7941G and other Cisco phones working for the past 5-10 years with no issues using Chan_SIP. This year, I’ve moved to PJSIP. The other Cisco phones worked fine but the 7941 would not register. After 2 days of research and testing, analyzing cnf.xml configuration files and SIP registration headers, and googling, I found that in order to work with PJSIP, the FreePBX extension has to have “Rewrite Contact” and “Force rport” both set to “No” in the FreePBX’s Extensions - Advanced Settings. “Rewrite Contact” allows it to register and “Force rport” allows RTP to be configured to communicate.

Here’s a working SEP-MAC-address.cnf.xml configuration:

This config allows the webGUI interface on the phone which is very nice for viewing the logs and status. Supposedly you can ssh into the phone using the ssh user and password but it wouldn’t allow me to login. The password for the phone interface was chosen for simple login (1adgjm corresponds to 123456 on the key presses). To unlock the phone, go to Settings button then press **#, type in the password 1adgjm and submit.

Replace:

NTPSERVER-IP-ADDRESS with your time server’s IP address
FREEPBX-IP-ADDRESS with your PBX’s IP address
PHONE-EXTENSION with the FreePBX extension number
PHONE-EXTENSION-SECRET with the FreePBX extension secret
Set the timezone for your area
Set the locale settings for your area

<?xml version="1.0" encoding="UTF-8"?>
<device>
<fullConfig>true</fullConfig>
<deviceProtocol>SIP</deviceProtocol>

<sshUserId>admin</sshUserId>
<sshPassword>1adgjm</sshPassword>

<devicePool>
	<dateTimeSetting>
		<dateTemplate>D-M-YA</dateTemplate>
		<timeZone>Mountain Standard/Daylight Time</timeZone>
		<ntps>
			<ntp>
				<name>192.168.203.254</name>
				<ntpMode>Unicast</ntpMode>
			</ntp>
		</ntps>
		</dateTimeSetting>

	<callManagerGroup>
		<members>
			<member priority="0">
				<callManager>
					<ports>
						<ethernetPhonePort>2000</ethernetPhonePort>
						<sipPort>5060</sipPort>
						<securedSipPort>5061</securedSipPort>
					</ports>
					<processNodeName>192.168.204.108</processNodeName>
				</callManager>
			</member>
		</members>
	</callManagerGroup>
</devicePool>

<sipProfile>
	<sipProxies>
		<backupProxy></backupProxy>
		<backupProxyPort></backupProxyPort>
		<emergencyProxy></emergencyProxy>
		<emergencyProxyPort></emergencyProxyPort>
		<outboundProxy></outboundProxy>
		<outboundProxyPort></outboundProxyPort>
		<registerWithProxy>true</registerWithProxy>
	</sipProxies>

	<sipCallFeatures>
		<cnfJoinEnabled>true</cnfJoinEnabled>
		<callForwardURI>x-cisco-serviceuri-cfwdall</callForwardURI>
		<callPickupURI>x-cisco-serviceuri-pickup</callPickupURI>
		<callPickupListURI>x-cisco-serviceuri-opickup</callPickupListURI>
		<callPickupGroupURI>x-cisco-serviceuri-gpickup</callPickupGroupURI>
		<meetMeServiceURI>x-cisco-serviceuri-meetme</meetMeServiceURI>
		<abbreviatedDialURI>x-cisco-serviceuri-abbrdial</abbreviatedDialURI>
		<rfc2543Hold>false</rfc2543Hold>
		<callHoldRingback>1</callHoldRingback>
		<localCfwdEnable>true</localCfwdEnable>
		<semiAttendedTransfer>true</semiAttendedTransfer>
		<anonymousCallBlock>0</anonymousCallBlock>
		<callerIdBlocking>0</callerIdBlocking>
		<retainForwardInformation>false</retainForwardInformation>
		<dndControl>0</dndControl>
		<remoteCcEnable>true</remoteCcEnable>
	</sipCallFeatures>

	<sipStack>
		<sipInviteRetx>6</sipInviteRetx>
		<sipRetx>10</sipRetx>
		<timerInviteExpires>180</timerInviteExpires>
		<timerRegisterExpires>3600</timerRegisterExpires>
		<timerRegisterDelta>5</timerRegisterDelta>
		<timerKeepAliveExpires>120</timerKeepAliveExpires>
		<timerSubscribeExpires>120</timerSubscribeExpires>
		<timerSubscribeDelta>5</timerSubscribeDelta>
		<timerT1>500</timerT1>
		<timerT2>4000</timerT2>
		<maxRedirects>70</maxRedirects>
		<remotePartyID>true</remotePartyID>
		<userInfo>Phone</userInfo>
	</sipStack>

	<autoAnswerTimer>1</autoAnswerTimer>
	<autoAnswerAltBehavior>false</autoAnswerAltBehavior>
	<autoAnswerOverride>true</autoAnswerOverride>
	<transferOnhookEnabled>false</transferOnhookEnabled>
	<enableVad>false</enableVad>
	<preferredCodec>none</preferredCodec>
	<dtmfAvtPayload>101</dtmfAvtPayload>
	<dtmfDbLevel>3</dtmfDbLevel>
	<dtmfOutofBand>avt</dtmfOutofBand>
	<alwaysUsePrimeLine>false</alwaysUsePrimeLine>
	<alwaysUsePrimeLineVoiceMail>false</alwaysUsePrimeLineVoiceMail>
	<kpml>0</kpml>

	<natEnabled>false</natEnabled>
	<natReceivedProcessing>false</natReceivedProcessing>
	<natAddress></natAddress>

	<phoneLabel>4005</phoneLabel>
	<stutterMsgWaiting>0</stutterMsgWaiting>
	<callStats>true</callStats>
	<offhookToFirstDigitTimer>15000</offhookToFirstDigitTimer>
	<silentPeriodBetweenCallWaitingBursts>10</silentPeriodBetweenCallWaitingBursts>
	<disableLocalSpeedDialConfig>false</disableLocalSpeedDialConfig>

	<startMediaPort>16384</startMediaPort>
	<stopMediaPort>20000</stopMediaPort>

	<sipLines>
  		<line button="1" lineindex="1">
			<featureID>9</featureID>
			<featureLabel>4005</featureLabel>
			<proxy>USECALLMANAGER</proxy>
			<port>5060</port>
			<name>4005</name>
			<displayName>4005</displayName>
			<autoAnswer>
	  			<autoAnswerEnabled>0</autoAnswerEnabled>
			</autoAnswer>
			<callWaiting>1</callWaiting>
			<authName>4005</authName>
			<authPassword>123456</authPassword>
			<sharedLine>false</sharedLine>
			<messageWaitingLampPolicy>3</messageWaitingLampPolicy>
			<messageWaitingAMWI>0</messageWaitingAMWI>	
			<messagesNumber>*97</messagesNumber>
			<ringSettingIdle>4</ringSettingIdle>
			<ringSettingActive>5</ringSettingActive>
			<contact></contact>
			<forwardCallInfoDisplay>
				<callerName>true</callerName>
				<callerNumber>false</callerNumber>
				<redirectedNumber>false</redirectedNumber>
				<dialedNumber>true</dialedNumber>
			</forwardCallInfoDisplay>
		</line>
	</sipLines>

	<voipControlPort>5060</voipControlPort>
	<dscpForAudio>184</dscpForAudio>
	<ringSettingBusyStationPolicy>0</ringSettingBusyStationPolicy>
	<dialTemplate>dialplan.xml</dialTemplate>

</sipProfile>

<commonProfile>
	<phonePassword>1adgjm</phonePassword>
	<backgroundImageAccess>true</backgroundImageAccess>
	<callLogBlfEnabled>2</callLogBlfEnabled>
</commonProfile>

<vendorConfig>
	<disableSpeaker>false</disableSpeaker>
	<disableSpeakerAndHeadset>false</disableSpeakerAndHeadset>
	<pcPort>0</pcPort>
	<settingsAccess>1</settingsAccess>
	<garp>0</garp>
	<voiceVlanAccess>0</voiceVlanAccess>
	<videoCapability>0</videoCapability>
	<autoSelectLineEnable>0</autoSelectLineEnable>
	<sshAccess>0</sshAccess>
	<sshPort>22</sshPort>
	<webAccess>0</webAccess>
	<daysDisplayNotActive></daysDisplayNotActive>
	<displayOnTime>00:00</displayOnTime>
	<displayOnDuration>00:00</displayOnDuration>
	<displayIdleTimeout>00:00</displayIdleTimeout>
	<spanToPCPort>1</spanToPCPort>
	<loggingDisplay>1</loggingDisplay>
	<loadServer></loadServer>
</vendorConfig>

<userLocale> 
	<name>English_United_States</name> 
	<uid>1</uid> 
	<langCode>en_US</langCode> 
	<version>1.0.0.0-1</version> 
	<winCharSet>UTF-8</winCharSet> 
</userLocale> 

<networkLocale>United_States</networkLocale>

<networkLocaleInfo>
	<name>United_States</name>
	<version>5.0(2)</version>
</networkLocaleInfo>

<deviceSecurityMode>1</deviceSecurityMode>

<authenticationURL></authenticationURL>
<directoryURL></directoryURL>
<idleURL></idleURL>
<informationURL></informationURL>

<messagesURL></messagesURL>
<proxyServerURL></proxyServerURL>
<servicesURL></servicesURL>

<dscpForSCCPPhoneConfig>96</dscpForSCCPPhoneConfig>
<dscpForSCCPPhoneServices>0</dscpForSCCPPhoneServices>
<dscpForCm2Dvce>96</dscpForCm2Dvce>

<transportLayerProtocol>2</transportLayerProtocol>

<capfAuthMode>0</capfAuthMode>
<capfList>
	<capf>
	<phonePort>3804</phonePort>
	</capf>
</capfList>

<certHash></certHash>
<encrConfig>false</encrConfig>

</device>

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